docstr: Fixture for all pandas native interval constructors.
  To be used as the LHS of IntervalArray comparisons.
docstr_tok: ["Fixture","for","all","pandas","native","interval","constructors",".","To","be","used","as","the","LHS","of","IntervalArray","comparisons","."]
code: def interval_constructor(self, request):
      """
      Fixture for all pandas native interval constructors.
      To be used as the LHS of IntervalArray comparisons.
      """
      return request.param
  
imports: import operator
  import numpy
  import pytest
  from pandas.core.dtypes.common import is_list_like
  import pandas
  from pandas import Categorical, Index, Interval, IntervalIndex, Period, Series, Timedelta, Timestamp, date_range, period_range, timedelta_range
  import pandas._testing
  from pandas.core.arrays import BooleanArray, IntervalArray
  from pandas.tests.arithmetic.common import get_upcast_box
label_desc: Use image node_id 2 for calling the TestComparison obj's underlying member method code with example usage: obj.interval_constructor(request) and returns: request